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Factory method pattern refers to defining a factory interface that creates an object. Its subclasses determine the classes to instantiate and postpone the actual creation to the subclasses. It emphasizes the change of "single object". The main points of its implementation include:此剧讲述了关于中年上班族们为了在剧变的社会里生存而拼命工作的炽热生存记故事。主要讲述的是一位无时无刻满脑子都是“喜欢给任何事物评分”的平凡却十分有魅力的广告公司职员“梵高，（权俞利 饰）”寻找真爱的趣味故事，是一部现实感十足的浪漫爱情剧。TCP is connection-oriented, and a connection must be established between either side before sending data to the other. In TCP/IP protocol, TCP protocol provides reliable connection service, and the connection is initialized by three-way handshake. The purpose of the three-way handshake is to synchronize the serial numbers and acknowledgement numbers of both parties and exchange TCP window size information. The process of shaking hands can be represented by the following figureNBC续订《全程直击》10集的第二季。红椒果然被吸引了心神，忙问究竟。终于有一天，霸道总裁路晋卸下了精英的高冷面具变身忠犬男友，小魔女褪去了刁蛮任性学会如何去爱，二人在美食中寻觅到简单的幸福。上帝偶尔会瞌睡，丘比特有时也会手抖，但命中注定的那个人终会踏遍千山万水与你相会。终于等到你，余生都是你。